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	<title>Problem Set -- page 9 -- 衡阳八中OJ离线版-2012-02-29</title>
<h3 align='center'><a href='list-1.html'>1</a>&nbsp;<a href='list-2.html'>2</a>&nbsp;<a href='list-3.html'>3</a>&nbsp;<a href='list-4.html'>4</a>&nbsp;<a href='list-5.html'>5</a>&nbsp;<a href='list-6.html'>6</a>&nbsp;<a href='list-7.html'>7</a>&nbsp;<a href='list-8.html'>8</a>&nbsp;<span class=red>9</span>&nbsp;<a href='list-10.html'>10</a>&nbsp;<a href='list-11.html'>11</a>&nbsp;<a href='list-12.html'>12</a>&nbsp;<a href='list-13.html'>13</a>&nbsp;<a href='list-14.html'>14</a>&nbsp;<a href='list-15.html'>15</a>&nbsp;<a href='list-16.html'>16</a>&nbsp;<a href='list-17.html'>17</a></h3>
<center><table id='problemset' width='90%'>
<thead><tr align='center' class='evenrow'><td width='5'></td><td width='10%' colspan='1'><form action='problem.php' onsubmit='jump2prob(); return false;' >Problem ID<input id='jump2prob-id' type='text' name='id' size=5><input type='submit' value='GO' ></form></td><td width='90%' colspan='4'><form onsubmit='searchInTable(2); return false;' >Search<input id="search-content-id" type='text' name='search'><input type='submit' value='Search' ></form></td></tr><tr align=center class='toprow'><td width='5'><td style="cursor:hand" onclick="sortTable('problemset', 1, 'int');" width=10%><A>Problem ID</A><td width='60%'>Title</td><td width='20%'>Source</td><td style="cursor:hand" onclick="sortTable('problemset', 4, 'int');" width='5%'><A>AC</A></td><td style="cursor:hand" onclick="sortTable('problemset', 5, 'int');" width='5%'><A>Submit</A></td></tr></thead>
<tbody>
<tr align=center class='toprow'><td width='5'><td style="cursor:hand" onclick="sortTable('problemset', 1, 'int');" width=10%><A>Problem ID</A><td width='60%'>Title</td><td width='20%'>Source</td><td style="cursor:hand" onclick="sortTable('problemset', 4, 'int');" width='5%'><A>AC</A></td><td style="cursor:hand" onclick="sortTable('problemset', 5, 'int');" width='5%'><A>Submit</A></td></tr>
</thead><tbody>
<tr class='evenrow'><td></td><td align='center'>1800</td><td align='left'><a href='problem-1800.html'>[Ahoi2009]fly 飞行棋</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1800&jresult=4'>194</a></td><td align='center'><a href='status.php?problem_id=1800'>230</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1801</td><td align='left'><a href='problem-1801.html'>[Ahoi2009]chess 中国象棋</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1801&jresult=4'>146</a></td><td align='center'><a href='status.php?problem_id=1801'>254</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1802</td><td align='left'><a href='problem-1802.html'>[Ahoi2009]checker</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1802&jresult=4'>35</a></td><td align='center'><a href='status.php?problem_id=1802'>75</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1803</td><td align='left'><a href='problem-1803.html'>Spoj1487 Query on a tree III</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1803&jresult=4'>74</a></td><td align='center'><a href='status.php?problem_id=1803'>194</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1804</td><td align='left'><a href='problem-1804.html'>[Ioi2007]Flood 洪水</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1804&jresult=4'>7</a></td><td align='center'><a href='status.php?problem_id=1804'>29</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1805</td><td align='left'><a href='problem-1805.html'>[Ioi2007]Sail 船帆
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1805&jresult=4'>46</a></td><td align='center'><a href='status.php?problem_id=1805'>95</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1806</td><td align='left'><a href='problem-1806.html'>[Ioi2007]Miners 矿工配餐
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1806&jresult=4'>51</a></td><td align='center'><a href='status.php?problem_id=1806'>81</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1807</td><td align='left'><a href='problem-1807.html'>[Ioi2007]Pairs 彼此能听得见的动物对数
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1807&jresult=4'>30</a></td><td align='center'><a href='status.php?problem_id=1807'>87</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1808</td><td align='left'><a href='problem-1808.html'>[Ioi2007]training 训练路径
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1808&jresult=4'>11</a></td><td align='center'><a href='status.php?problem_id=1808'>19</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1809</td><td align='left'><a href='problem-1809.html'>[Ioi2005]mou
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1809&jresult=4'>25</a></td><td align='center'><a href='status.php?problem_id=1809'>47</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1810</td><td align='left'><a href='problem-1810.html'>[Ioi2005]gar
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1810&jresult=4'>11</a></td><td align='center'><a href='status.php?problem_id=1810'>27</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1811</td><td align='left'><a href='problem-1811.html'>[Ioi2005]mea
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1811&jresult=4'>26</a></td><td align='center'><a href='status.php?problem_id=1811'>123</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1812</td><td align='left'><a href='problem-1812.html'>[Ioi2005]riv
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1812&jresult=4'>71</a></td><td align='center'><a href='status.php?problem_id=1812'>134</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1813</td><td align='left'><a href='problem-1813.html'>[Ioi2005]bir
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1813&jresult=4'>5</a></td><td align='center'><a href='status.php?problem_id=1813'>6</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1814</td><td align='left'><a href='problem-1814.html'>Ural 1519 Formula 1 
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1814&jresult=4'>94</a></td><td align='center'><a href='status.php?problem_id=1814'>362</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1815</td><td align='left'><a href='problem-1815.html'>[Shoi2006]color 有色图</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1815&jresult=4'>15</a></td><td align='center'><a href='status.php?problem_id=1815'>75</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1816</td><td align='left'><a href='problem-1816.html'>[Cqoi2010]扑克牌
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1816&jresult=4'>111</a></td><td align='center'><a href='status.php?problem_id=1816'>300</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1817</td><td align='left'><a href='problem-1817.html'>[Cqoi2010]鼹鼠</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1817&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1817'>8</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1818</td><td align='left'><a href='problem-1818.html'>[Cqoi2010]内部白点
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1818&jresult=4'>83</a></td><td align='center'><a href='status.php?problem_id=1818'>159</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1819</td><td align='left'><a href='problem-1819.html'>[JSOI]Word Query电子字典
</a></td><td align='center'>JSOI第二轮Contest1</td><td align='center'><a href='status.php?problem_id=1819&jresult=4'>96</a></td><td align='center'><a href='status.php?problem_id=1819'>364</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1820</td><td align='left'><a href='problem-1820.html'>[JSOI2010]Express Service 快递服务
</a></td><td align='center'>JSOI2010第二轮Contest1</td><td align='center'><a href='status.php?problem_id=1820&jresult=4'>162</a></td><td align='center'><a href='status.php?problem_id=1820'>524</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1821</td><td align='left'><a href='problem-1821.html'>[JSOI2010]Group 部落划分 Group
</a></td><td align='center'>JSOI2010第二轮Contest1</td><td align='center'><a href='status.php?problem_id=1821&jresult=4'>233</a></td><td align='center'><a href='status.php?problem_id=1821'>513</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1822</td><td align='left'><a href='problem-1822.html'>[JSOI2010]Frozen Nova 冷冻波</a></td><td align='center'>JSOI2010第二轮Contest1</td><td align='center'><a href='status.php?problem_id=1822&jresult=4'>106</a></td><td align='center'><a href='status.php?problem_id=1822'>380</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1823</td><td align='left'><a href='problem-1823.html'>[JSOI2010]满汉全席</a></td><td align='center'>JSOI2010第二轮Contest2</td><td align='center'><a href='status.php?problem_id=1823&jresult=4'>166</a></td><td align='center'><a href='status.php?problem_id=1823'>317</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1824</td><td align='left'><a href='problem-1824.html'>[JSOI2010]下棋问题
</a></td><td align='center'>JSOI2010第二轮Contest2</td><td align='center'><a href='status.php?problem_id=1824&jresult=4'>34</a></td><td align='center'><a href='status.php?problem_id=1824'>148</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1825</td><td align='left'><a href='problem-1825.html'>[JSOI2010]蔬菜庆典</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1825&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1825'>15</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1826</td><td align='left'><a href='problem-1826.html'>[JSOI2010]缓存交换
</a></td><td align='center'>JSOI2010第二轮Contest2</td><td align='center'><a href='status.php?problem_id=1826&jresult=4'>91</a></td><td align='center'><a href='status.php?problem_id=1826'>201</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1827</td><td align='left'><a href='problem-1827.html'>[Usaco2010 Mar]gather 奶牛大集会</a></td><td align='center'>Gold</td><td align='center'><a href='status.php?problem_id=1827&jresult=4'>125</a></td><td align='center'><a href='status.php?problem_id=1827'>339</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1828</td><td align='left'><a href='problem-1828.html'>[Usaco2010 Mar]balloc 农场分配</a></td><td align='center'>Gold</td><td align='center'><a href='status.php?problem_id=1828&jresult=4'>108</a></td><td align='center'><a href='status.php?problem_id=1828'>197</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1829</td><td align='left'><a href='problem-1829.html'>[Usaco2010 Mar]starc星际争霸</a></td><td align='center'>Gold</td><td align='center'><a href='status.php?problem_id=1829&jresult=4'>51</a></td><td align='center'><a href='status.php?problem_id=1829'>87</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1830</td><td align='left'><a href='problem-1830.html'>[AHOI2008]Y型项链
</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1830&jresult=4'>10</a></td><td align='center'><a href='status.php?problem_id=1830'>14</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1831</td><td align='left'><a href='problem-1831.html'>[AHOI2008]逆序对
</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1831&jresult=4'>34</a></td><td align='center'><a href='status.php?problem_id=1831'>48</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1832</td><td align='left'><a href='problem-1832.html'>[AHOI2008]聚会</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1832&jresult=4'>37</a></td><td align='center'><a href='status.php?problem_id=1832'>163</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1833</td><td align='left'><a href='problem-1833.html'>[ZJOI2010]count 数字计数</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1833&jresult=4'>219</a></td><td align='center'><a href='status.php?problem_id=1833'>420</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1834</td><td align='left'><a href='problem-1834.html'>[ZJOI2010]network 网络扩容</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1834&jresult=4'>289</a></td><td align='center'><a href='status.php?problem_id=1834'>558</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1835</td><td align='left'><a href='problem-1835.html'>[ZJOI2010]base 基站选址</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1835&jresult=4'>170</a></td><td align='center'><a href='status.php?problem_id=1835'>393</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1836</td><td align='left'><a href='problem-1836.html'>Pku3004 Subway planning</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1836&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1836'>3</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1837</td><td align='left'><a href='problem-1837.html'>[CROATIAN2009]cavli 凸包1</a></td><td align='center'>COCI 2008/2009 Contest #2.</td><td align='center'><a href='status.php?problem_id=1837&jresult=4'>9</a></td><td align='center'><a href='status.php?problem_id=1837'>24</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1838</td><td align='left'><a href='problem-1838.html'>凸包2</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1838&jresult=4'>7</a></td><td align='center'><a href='status.php?problem_id=1838'>13</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1839</td><td align='left'><a href='problem-1839.html'>战争与和平
</a></td><td align='center'>2008湖南省队集训By刘鹰</td><td align='center'><a href='status.php?problem_id=1839&jresult=4'>2</a></td><td align='center'><a href='status.php?problem_id=1839'>2</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1840</td><td align='left'><a href='problem-1840.html'>Zju1742 Gap</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1840&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1840'>4</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1841</td><td align='left'><a href='problem-1841.html'>蚂蚁搬家
</a></td><td align='center'>2008湖南省队集训By刘鹰</td><td align='center'><a href='status.php?problem_id=1841&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1841'>14</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1842</td><td align='left'><a href='problem-1842.html'>网络游戏
</a></td><td align='center'>2008湖南省队集训By刘鹰</td><td align='center'><a href='status.php?problem_id=1842&jresult=4'>8</a></td><td align='center'><a href='status.php?problem_id=1842'>21</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1843</td><td align='left'><a href='problem-1843.html'>[Ioi2006]PYRAMID 金字塔

</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1843&jresult=4'>0</a></td><td align='center'><a href='status.php?problem_id=1843'>9</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1844</td><td align='left'><a href='problem-1844.html'>[Cerc1999]Run Away
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1844&jresult=4'>7</a></td><td align='center'><a href='status.php?problem_id=1844'>9</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1845</td><td align='left'><a href='problem-1845.html'>[Cqoi2005] 三角形面积并
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1845&jresult=4'>89</a></td><td align='center'><a href='status.php?problem_id=1845'>410</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1846</td><td align='left'><a href='problem-1846.html'>[HDOJ]2471 History of Languages</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1846&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1846'>3</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1847</td><td align='left'><a href='problem-1847.html'>[HDOJ3204]Expression Counting
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1847&jresult=4'>2</a></td><td align='center'><a href='status.php?problem_id=1847'>10</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1848</td><td align='left'><a href='problem-1848.html'>[HDOJ3205]Factorization

</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1848&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1848'>3</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1849</td><td align='left'><a href='problem-1849.html'>和谐庆典
</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1849&jresult=4'>2</a></td><td align='center'><a href='status.php?problem_id=1849'>4</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1850</td><td align='left'><a href='problem-1850.html'>Submatrix</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1850&jresult=4'>22</a></td><td align='center'><a href='status.php?problem_id=1850'>73</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1851</td><td align='left'><a href='problem-1851.html'>Pku2759 Distributing tasks</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1851&jresult=4'>21</a></td><td align='center'><a href='status.php?problem_id=1851'>63</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1852</td><td align='left'><a href='problem-1852.html'>[MexicoOI06]最长不下降序列</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1852&jresult=4'>13</a></td><td align='center'><a href='status.php?problem_id=1852'>54</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1853</td><td align='left'><a href='problem-1853.html'>[Scoi2010]幸运数字
</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1853&jresult=4'>144</a></td><td align='center'><a href='status.php?problem_id=1853'>441</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1854</td><td align='left'><a href='problem-1854.html'>[Scoi2010]游戏

</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1854&jresult=4'>279</a></td><td align='center'><a href='status.php?problem_id=1854'>793</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1855</td><td align='left'><a href='problem-1855.html'>[Scoi2010]股票交易

</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1855&jresult=4'>138</a></td><td align='center'><a href='status.php?problem_id=1855'>321</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1856</td><td align='left'><a href='problem-1856.html'>[Scoi2010]字符串
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1856&jresult=4'>148</a></td><td align='center'><a href='status.php?problem_id=1856'>339</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1857</td><td align='left'><a href='problem-1857.html'>[Scoi2010]传送带
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1857&jresult=4'>123</a></td><td align='center'><a href='status.php?problem_id=1857'>242</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1858</td><td align='left'><a href='problem-1858.html'>[Scoi2010]序列操作
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1858&jresult=4'>184</a></td><td align='center'><a href='status.php?problem_id=1858'>340</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1859</td><td align='left'><a href='problem-1859.html'>[Zjoi2006]Bowl 碗的叠放</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1859&jresult=4'>23</a></td><td align='center'><a href='status.php?problem_id=1859'>53</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1860</td><td align='left'><a href='problem-1860.html'>[Zjoi2006]Mahjong麻将</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1860&jresult=4'>37</a></td><td align='center'><a href='status.php?problem_id=1860'>56</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1861</td><td align='left'><a href='problem-1861.html'>[Zjoi2006]Book 书架</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1861&jresult=4'>92</a></td><td align='center'><a href='status.php?problem_id=1861'>146</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1862</td><td align='left'><a href='problem-1862.html'>[Zjoi2006]GameZ游戏排名系统
</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1862&jresult=4'>63</a></td><td align='center'><a href='status.php?problem_id=1862'>147</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1863</td><td align='left'><a href='problem-1863.html'>[Zjoi2006]trouble 皇帝的烦恼</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1863&jresult=4'>67</a></td><td align='center'><a href='status.php?problem_id=1863'>156</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1864</td><td align='left'><a href='problem-1864.html'>[Zjoi2006]三色二叉树</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1864&jresult=4'>92</a></td><td align='center'><a href='status.php?problem_id=1864'>162</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1865</td><td align='left'><a href='problem-1865.html'>Pku2057 The Lost House</a></td><td align='center'>Acm BeiJing2004</td><td align='center'><a href='status.php?problem_id=1865&jresult=4'>26</a></td><td align='center'><a href='status.php?problem_id=1865'>37</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1866</td><td align='left'><a href='problem-1866.html'>[Nwerc2006]Ticket to Ride</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1866&jresult=4'>24</a></td><td align='center'><a href='status.php?problem_id=1866'>29</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1867</td><td align='left'><a href='problem-1867.html'>[Noi1999]钉子和小球</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1867&jresult=4'>51</a></td><td align='center'><a href='status.php?problem_id=1867'>83</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1868</td><td align='left'><a href='problem-1868.html'>MinCut Query</a></td><td align='center'>CodeCraft 2009</td><td align='center'><a href='status.php?problem_id=1868&jresult=4'>17</a></td><td align='center'><a href='status.php?problem_id=1868'>37</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1870</td><td align='left'><a href='problem-1870.html'>Zju2361 Area</a></td><td align='center'>ZZY国家队作业</td><td align='center'><a href='status.php?problem_id=1870&jresult=4'>0</a></td><td align='center'><a href='status.php?problem_id=1870'>1</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1871</td><td align='left'><a href='problem-1871.html'>[Beijing2009 WinterCamp]函数依赖</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1871&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1871'>9</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1872</td><td align='left'><a href='problem-1872.html'>[Beijing2009 WinterCamp]电子竞技</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1872&jresult=4'>9</a></td><td align='center'><a href='status.php?problem_id=1872'>11</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1873</td><td align='left'><a href='problem-1873.html'>[BeiJing2009 WinterCamp]Dota字幕提示 
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1873&jresult=4'>7</a></td><td align='center'><a href='status.php?problem_id=1873'>14</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1874</td><td align='left'><a href='problem-1874.html'>[BeiJing2009 WinterCamp]取石子游戏 
</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1874&jresult=4'>34</a></td><td align='center'><a href='status.php?problem_id=1874'>111</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1875</td><td align='left'><a href='problem-1875.html'>[SDOI2009]HH去散步</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1875&jresult=4'>62</a></td><td align='center'><a href='status.php?problem_id=1875'>165</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1876</td><td align='left'><a href='problem-1876.html'>[SDOI2009]SuperGCD</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1876&jresult=4'>115</a></td><td align='center'><a href='status.php?problem_id=1876'>440</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1877</td><td align='left'><a href='problem-1877.html'>[SDOI2009]晨跑</a></td><td align='center'>Day1</td><td align='center'><a href='status.php?problem_id=1877&jresult=4'>118</a></td><td align='center'><a href='status.php?problem_id=1877'>212</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1878</td><td align='left'><a href='problem-1878.html'>[SDOI2009]HH的项链</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1878&jresult=4'>213</a></td><td align='center'><a href='status.php?problem_id=1878'>422</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1879</td><td align='left'><a href='problem-1879.html'>[Sdoi2009]Bill的挑战</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1879&jresult=4'>94</a></td><td align='center'><a href='status.php?problem_id=1879'>199</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1880</td><td align='left'><a href='problem-1880.html'>[Sdoi2009]Elaxia的路线</a></td><td align='center'>Day2</td><td align='center'><a href='status.php?problem_id=1880&jresult=4'>80</a></td><td align='center'><a href='status.php?problem_id=1880'>184</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1881</td><td align='left'><a href='problem-1881.html'>[Seerc2008]Lucky cities</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1881&jresult=4'>32</a></td><td align='center'><a href='status.php?problem_id=1881'>115</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1882</td><td align='left'><a href='problem-1882.html'>Pku2150 Crossing Prisms</a></td><td align='center'>Japan 2004</td><td align='center'><a href='status.php?problem_id=1882&jresult=4'>4</a></td><td align='center'><a href='status.php?problem_id=1882'>8</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1883</td><td align='left'><a href='problem-1883.html'>[Ipsc2007]Delicious Cake</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1883&jresult=4'>0</a></td><td align='center'><a href='status.php?problem_id=1883'>6</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1884</td><td align='left'><a href='problem-1884.html'>[Ipsc2008]Discover All Sets</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1884&jresult=4'>0</a></td><td align='center'><a href='status.php?problem_id=1884'>16</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1885</td><td align='left'><a href='problem-1885.html'>[Coi2003]Locomotive</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1885&jresult=4'>2</a></td><td align='center'><a href='status.php?problem_id=1885'>2</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1886</td><td align='left'><a href='problem-1886.html'>[Coi2003]A1</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1886&jresult=4'>2</a></td><td align='center'><a href='status.php?problem_id=1886'>2</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1887</td><td align='left'><a href='problem-1887.html'>Spoj 3974 3974. Another Tree Problem</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1887&jresult=4'>32</a></td><td align='center'><a href='status.php?problem_id=1887'>87</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1889</td><td align='left'><a href='problem-1889.html'>Maximal</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1889&jresult=4'>22</a></td><td align='center'><a href='status.php?problem_id=1889'>91</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1890</td><td align='left'><a href='problem-1890.html'>树形控件</a></td><td align='center'>模拟题系列</td><td align='center'><a href='status.php?problem_id=1890&jresult=4'>1</a></td><td align='center'><a href='status.php?problem_id=1890'>1</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1891</td><td align='left'><a href='problem-1891.html'>丘比特的烦恼
</a></td><td align='center'>原创By Mt</td><td align='center'><a href='status.php?problem_id=1891&jresult=4'>16</a></td><td align='center'><a href='status.php?problem_id=1891'>64</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1892</td><td align='left'><a href='problem-1892.html'>Match
</a></td><td align='center'>By Mt</td><td align='center'><a href='status.php?problem_id=1892&jresult=4'>62</a></td><td align='center'><a href='status.php?problem_id=1892'>139</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1893</td><td align='left'><a href='problem-1893.html'>Ural 鹰蛋</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1893&jresult=4'>4</a></td><td align='center'><a href='status.php?problem_id=1893'>16</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1894</td><td align='left'><a href='problem-1894.html'>Srm444 avoidfour</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1894&jresult=4'>3</a></td><td align='center'><a href='status.php?problem_id=1894'>5</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1895</td><td align='left'><a href='problem-1895.html'>Pku3580 supermemo</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1895&jresult=4'>18</a></td><td align='center'><a href='status.php?problem_id=1895'>30</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1896</td><td align='left'><a href='problem-1896.html'>pku3689 equations</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1896&jresult=4'>1</a></td><td align='center'><a href='status.php?problem_id=1896'>3</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1897</td><td align='left'><a href='problem-1897.html'>tank 坦克游戏</a></td><td align='center'>modi from Zju2649 The Brave Tankman</td><td align='center'><a href='status.php?problem_id=1897&jresult=4'>20</a></td><td align='center'><a href='status.php?problem_id=1897'>54</a></td></tr>

<tr class='evenrow'><td></td><td align='center'>1898</td><td align='left'><a href='problem-1898.html'>[Zjoi2004]Swamp 沼泽鳄鱼

</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1898&jresult=4'>107</a></td><td align='center'><a href='status.php?problem_id=1898'>155</a></td></tr>

<tr class='oddrow'><td></td><td align='center'>1899</td><td align='left'><a href='problem-1899.html'>[Zjoi2004]Lunch 午餐</a></td><td align='center'></td><td align='center'><a href='status.php?problem_id=1899&jresult=4'>67</a></td><td align='center'><a href='status.php?problem_id=1899'>113</a></td></tr>
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